This value can grow higher than 16k, but it clamped at packet receive time if over that limit. Instead of failing here, just clamp to the same limit.
Signed-off-by: Dan Smith <[email protected]> Cc: [email protected] Cc: [email protected] --- net/ipv4/checkpoint.c | 6 ++---- 1 files changed, 2 insertions(+), 4 deletions(-) diff --git a/net/ipv4/checkpoint.c b/net/ipv4/checkpoint.c index 788e110..c80324f 100644 --- a/net/ipv4/checkpoint.c +++ b/net/ipv4/checkpoint.c @@ -429,10 +429,8 @@ static int inet_precheck(struct socket *sock, struct ckpt_hdr_socket_inet *in) /* do_tcp_setsockopt() quietly makes this coercion */ if (in->tcp.window_clamp < (SOCK_MIN_RCVBUF / 2)) in->tcp.window_clamp = SOCK_MIN_RCVBUF / 2; - else if (in->tcp.window_clamp > 65535U) { - ckpt_debug("invalid window_clamp value\n"); - return -EINVAL; - } + else + in->tcp.window_clamp = min(in->tcp.window_clamp, 65535U); if (in->tcp.rcv_ssthresh > (4U * in->tcp.advmss)) in->tcp.rcv_ssthresh = 4U * in->tcp.advmss; -- 1.6.2.5 _______________________________________________ Containers mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/containers _______________________________________________ Devel mailing list [email protected] https://openvz.org/mailman/listinfo/devel
